Use the Twin Base for stands of which the banner widths are 80cm - 120cm (use Twin Base XL for banners wider than 120cm). The system is portable, all parts can be carried in a handy FLEX-display™ bag. A single-sided system consists of: 1 Twin Base 2 Vertical Poles 2 Horizontal Bars, Snap-Lock or Classic + the banner 4 clips, either Grip-Clips or FLEX-clips